Automobile battery: group of similar elements that generates an electric charge.
Negative terminal: place where a current conducting wire, the cathode, is attached.
Separator: partition that separates the compartments of a battery.
Plates and separator: thin, flat, rigid separator sheet.
Battery case: casing that protects the parts of a battery.
Positive terminal: place where a current-conducting wire, the anode, is attached.
Vent caps: row of screwed-on cylindrical pieces that close the openings of a battery.